The code listings in this book can be found under chapter01 directory at https://github.com/PacktPublishing/Hands-On-Enterprise-Application-Development-with-Python.
The code samples can be cloned by running the following command:
git clone https://github.com/PacktPublishing/Hands-On-Enterprise-Application-Development-with-Python
The instructions to run the code can be found under the README file in the individual chapter directories.
The code has been tested to run on a system that is running Fedora 28 and Python version 3.6.5, but it should be able to run on any system running Python 3.6.5.